/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.nifi.flowfile;

import java.util.Comparator;

/**
 * Provides a mechanism to prioritize flow file objects based on their
 * attributes. The actual flow file content will not be available for comparison
 * so if features of that content are necessary for prioritization it should be
 * extracted to be used as an attribute of the flow file.
 *
 */
public interface FlowFilePrioritizer extends Comparator<FlowFile> {
}
